"You're going to be the death of me..." The raven haired male mumbles as he closes the sleeping demon back in its wooden box. Before getting up and leaving for the hashira meeting

~After the death of his sister, Giyuu's youngest sibling became a demon. Refusing to let anyone kill them, he ran away with them to the mountains. Sakonji Urokodaki found and saved the siblings. Leading the former water hashira to train giyuu along with Sabito while you slept for two years straight. After passing the final selections and hearing Sabito died, Giyuu became more dull and quiet. But he still looked after you when yo woke up. Years later, he kept you a secret to the corps and became a hashira. He saved Nezuko and Tanjiro, and told Tanjiro to became a demon slayer. But that came with a cost when he spared them.

Timeskip to present time~

He knelt quietly on his knee while the Master explains that Nezuko and Tanjiro will be spared. But Sanemi seemed he wasn't having it. determined to prove Nezuko was like every other blood thirsty demon. Even going as far as cutting his arm letting his blood drip in front of the hungry demon. To everyone's surprise she still refused. Which made Sanemi furious. Giyuu continues to watch quietly and keeps an eye on Tanjiro who is still be held down by Obanai. But suddenly Mitsuri starts squealing making her look at her, in response she points to the corner of the balcony (I don't know what's its called💀) revealing you, sitting there half asleep, waiting for Giyuu. His eyes widen and he stood quickly rushing over to you and lifting you're small form into his arms.

"what are you doing here?" he whispered holding you close. When you don't respond he sighs heading for the door to take you back to your box. "Hey! where do you think you're going with that demon, Tomioka?!" Giyuu stops when Sanemis voice called him out. All the other hashiras glance at Giyuu holding your small demon form in his arms. He frowns realizing he know has to explain his situation with his demon sibling.